:root{--bg:#f6f8fc;--panel:#ffffff;--panel2:#f2f6ff;--ink:#122033;--muted:#5d6b82;--line:#dbe4f3;--brand:#2962ff;--brand2:#7c4dff;--accent:#00c2ff;--warm:#ffcc66;--shadow:0 18px 50px rgba(31,52,101,.12);--radius:22px}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#eef4ff 0,#f6f8fc 38%,#f9fbff 100%);color:var(--ink);line-height:1.7}
    a{color:inherit;text-decoration:none}img{display:block;max-width:100%}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    .site-header{position:sticky;top:0;z-index:40;background:rgba(246,248,252,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(219,228,243,.85)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}.brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px;box-shadow:0 8px 24px rgba(41,98,255,.08)}
    .brand strong{display:block;font-size:18px;line-height:1.1}.brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:14px;padding:10px 12px}
    .menu{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.menu a{font-size:14px;color:#24344d;padding:8px 10px;border-radius:999px}.menu a:hover,.menu a:focus{background:#eef4ff;color:var(--brand)}
    .hero{padding:42px 0 28px;position:relative;overflow:hidden}.hero:before,.hero:after{content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none}
    .hero:before{width:300px;height:300px;background:rgba(124,77,255,.12);right:-80px;top:-40px}.hero:after{width:240px;height:240px;background:rgba(0,194,255,.12);left:-90px;bottom:-70px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-card,.glass-card,.panel{background:linear-gradient(180deg,rgba(255,255,255,.92),#fff);border:1px solid rgba(219,228,243,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:30px;position:relative;overflow:hidden}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg,rgba(41,98,255,.12),rgba(124,77,255,.12));color:#2a4db8;border:1px solid rgba(41,98,255,.14);padding:7px 12px;border-radius:999px;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:58ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:12px 18px;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 26px rgba(41,98,255,.24)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn:hover{transform:translateY(-2px)}
    .hero-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px}
    .mini{padding:16px;border-radius:18px;background:linear-gradient(180deg,#f7faff,#fff);border:1px solid var(--line)}
    .mini strong{display:block;font-size:20px}.mini span{color:var(--muted);font-size:13px}
    .hero-side{display:grid;gap:14px}
    .side-box{padding:20px}.side-box h3{margin:0 0 8px;font-size:18px}.side-box p,.side-box li{color:var(--muted)}
    .stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
    .stat{padding:18px;border-radius:20px;background:linear-gradient(135deg,#fff,#f5f8ff);border:1px solid var(--line)}
    .stat strong{display:block;font-size:24px}.stat span{font-size:13px;color:var(--muted)}
    section{padding:24px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-title h2{margin:0;font-size:clamp(24px,2.6vw,36px)}.section-title p{margin:0;color:var(--muted);max-width:70ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .card{padding:20px;border-radius:22px;background:linear-gradient(180deg,#fff,#fbfcff);border:1px solid var(--line);box-shadow:0 10px 24px rgba(28,52,101,.05)}
    .card h3,.card h4{margin:0 0 10px}.card p,.card li{color:var(--muted)}
    .pill-cloud{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:8px 12px;border-radius:999px;background:#edf4ff;border:1px solid #d8e6ff;color:#2046a4;font-size:13px}
    .timeline{display:grid;gap:12px}.step{display:flex;gap:14px;align-items:flex-start;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .step .num{flex:0 0 36px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800}
    table{width:100%;border-collapse:collapse;overflow:hidden}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}
    th,td{padding:14px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:14px;min-width:120px}th{background:#f5f8ff;color:#1c2f52}tr:last-child td{border-bottom:none}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 16px;box-shadow:0 8px 18px rgba(28,52,101,.04)}summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none}summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:var(--muted)}
    .review{display:flex;flex-direction:column;gap:12px}.stars{color:#ffb300;letter-spacing:2px}
    .articles,.links-list{display:grid;gap:10px}.link-item{display:flex;justify-content:space-between;gap:10px;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line)}
    .form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.form .full{grid-column:1/-1}
    input,select,textarea{width:100%;padding:13px 14px;border:1px solid #cad6ea;border-radius:14px;background:#fff;color:var(--ink);font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(41,98,255,.1)}
    .footer{padding:22px 0 30px;border-top:1px solid var(--line);margin-top:10px;background:linear-gradient(180deg,#f7faff,#eef4ff);color:#20304a}
    .footer a{color:#1f4ed8}.footer .small{font-size:13px;color:#5f6e85}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:45;display:grid;gap:10px}.float-tools a,.float-tools button{width:48px;height:48px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:0 10px 26px rgba(28,52,101,.16);display:grid;place-items:center;color:var(--brand);cursor:pointer}
    .kefu{position:fixed;left:16px;bottom:16px;z-index:45}.kefu-box{display:none;position:absolute;left:0;bottom:58px;width:220px;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .kefu:hover .kefu-box,.kefu:focus-within .kefu-box{display:block}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}.reveal.show{opacity:1;transform:none}
    .badge-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .rating{display:flex;align-items:center;gap:10px;font-size:15px}.rating strong{font-size:22px;color:#0d2f7a}
    @media (max-width: 960px){.hero-grid,.grid-3,.grid-2{grid-template-columns:1fr}.stat-row{grid-template-columns:1fr 1fr}.menu{display:none}.nav-toggle{display:inline-flex}.menu.open{display:flex;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:flex-start;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.nav{position:relative}.form{grid-template-columns:1fr}}
    @media (max-width: 640px){.container{width:min(100% - 24px,1180px)}.hero{padding-top:22px}.hero-card{padding:22px}.stat-row{grid-template-columns:1fr}.hero-mini{grid-template-columns:1fr}.section-title{flex-direction:column;align-items:flex-start}.float-tools{right:10px;bottom:10px}.kefu{left:10px;bottom:10px}}